{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{6}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         &\multicolumn{1}{c}{(4)}         &\multicolumn{1}{c}{(5)}         &\multicolumn{1}{c}{(6)}         \\
\hline
main            &                  &                  &                  &                  &                  &                  \\
Computerization (F\&O)&    0.626\sym{***}&                  &                  &    0.850\sym{***}&                  &                  \\
                &  (0.077)         &                  &                  &  (0.226)         &                  &                  \\
RTI             &                  &    0.044\sym{*}  &                  &                  &    0.112\sym{*}  &                  \\
                &                  &  (0.024)         &                  &                  &  (0.063)         &                  \\
Routine         &                  &                  &    0.698\sym{***}&                  &                  &    0.833\sym{***}\\
                &                  &                  &  (0.056)         &                  &                  &  (0.157)         \\
Demographics    &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         \\
Socio-econ      &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         \\
Country FE      &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         \\
Year FE         &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         &$\checkmark$         \\
\hline
Observations    &   148688         &   153158         &   174298         &   136250         &   151345         &   172359         \\
\hline\hline
\end{tabular}
}
